PT-2022-6130 · Fortinet · Fortiweb

Published 2022-02-01 · Updated 2022-02-07 · CVE-2021-42753

Positive Technologies (AI Summary)

CVSS v2.0

8.5

High

Base vector

AV:N/AC:L/Au:S/C:N/I:C/A:C

Name of the Vulnerable Software and Affected Versions FortiWeb versions 5.8.x through 6.4.1 FortiWeb versions 6.0.x through 6.3.15

Description The issue is related to an improper limitation of a pathname to a restricted directory, also known as a 'Path Traversal' vulnerability. This vulnerability may allow an authenticated attacker to perform arbitrary file and directory deletion in the device filesystem.

Recommendations For FortiWeb versions 5.8.x through 6.4.1, update to a version above 6.4.1 to resolve the issue. For FortiWeb versions 6.0.x through 6.3.15, update to a version above 6.3.15 to resolve the issue. As a temporary workaround, consider restricting access to the management interface to minimize the risk of exploitation.

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

BDU:2023-00090

CVE-2021-42753

Affected Products

Fortiweb

References · 6

• https://osv.dev/vulnerability/CVE-2021-42753 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-00090 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-42753 · Security Note
• https://fortiguard.com/psirt/FG-IR-21-158 · Vendor Advisory
• https://t.me/cibsecurity/36701 · Telegram Post
• https://t.me/cvenotify/26159 · Telegram Post